softwood

Methods research of bleaching softwood material

软木材料漂白方法研究

Properties of Films Prepared from Steam Exploded Softwood Cellulose

软木纤维素蒸汽闪爆改性后成膜性能

Theoretical analysis on the relationship between softwood longitudinal permeability and its structure

针叶树木材流体纵向渗透性与其构造关系的理论分析

Regression analysis of the factors which affect softwood Pulping Property

针叶材制浆性能影响因素的回归分析

Effect of Cationic Modification of Softwood Kraft Pulp on Paper Properties

阳离子化改性对针叶木硫酸盐浆成纸性能的影响

New Technology on Surface Compression of Plantation Softwood

人工林软质木材表面密实化新技术

Effects of Metabolism Regulator on Survival Rate of Softwood Cutting Propagation and Its Mechanism

代谢调节剂对嫩枝扦插繁殖成活率的影响及其机理

The Classification and Distribution of the Softwood Species Occuring in Gansu Province

甘肃针叶树种的分类及其分布

Rooting ability of softwood cuttings also decreased with the delay of planting time .

嫩枝扦插随着扦插时间的推迟，生根能力也下降。

Mixed cooking and the selection of continuous cooking systems for softwood and hardwood

针叶木、阔叶木混合蒸煮以及连续蒸煮系统的选型

Low Consistency Pretreatment and Medium Consistency Refining on Heavy Walled Softwood Pulps

厚壁针叶木浆的低浓预处理和中浓打浆

Liquefaction of Wood Theoretic analysis for elastic modulus of softwood was carried out in this paper .

本文是关于针叶树木材弹性特性研究的理论分析。

The rapid propagation of the softwood cutting of poplar was faster and the effect was better .

杨树嫩枝扦插扩繁快，效果好，对一些珍贵杨树扩繁可行。

The window frames were made from softwood .

窗框是用软木材制成的。

A Study on Effects of Different Treatments on Survival Rate of Atriplex canescens Softwood Cutting

几种处理方法对四翅滨藜嫩枝扦插成活率影响的研究

Effect of Hydroquinone Compounds on Oxygen Delignification of Softwood Kraft Pulp

氢醌化合物对针叶木硫酸盐纸浆氧脱木素的影响

Softwood Cutting Techniques of Garden Greening Species

城市园林绿化树种嫩枝扦插繁殖技术

The application of xylanase in the bleaching of softwood kraft pulp

木聚糖酶在漂白硫酸盐针叶木浆中的应用

A Study on the Pressurized / High Temperature Hydrogen Peroxide Bleaching of Softwood Kraft Pulps

针叶木硫酸盐浆压力高温过氧化氢漂白的研究

Biomimetic Degradation of Residual Lignin in Softwood Kraft Pulp by GIF System

针叶木硫酸盐浆中残留木素的GIF体系仿酶降解机理的研究

The ratio of softwood pulp to hardwood pulp of 80:20 was suitable .

考虑到性能和成本的因素，针叶木与阔叶木的比例为20∶80较为合适；

The Influence of Softwood Kraft Cooking Condition on the Brightness Development in ECF Bleaching

针叶木硫酸盐蒸煮条件对ECF漂白的影响

Practical application results of medium consistency refining of hardwood pulp and softwood pulp are discussed in the article .

对国内造纸企业常用的阔叶木浆、针叶木浆的中浓打浆生产技术的使用效果进行了研究。

Fractionation of softwood pulp fiber were carried out with a cylindrical hydrocyclone .

用圆柱形水力旋流器对纸浆纤维进行了筛分实验。

Great belts of softwood forests lie across north america , Scandinavia , and Russia .

连绵的软木林带横跨北美、斯堪的纳维亚和俄罗斯。

Set computer image processing technology as the platform , basically the structure of softwood micro extraction of characteristic parameters of the custom .

以计算机数字图像处理技术为平台，基本实现了对针叶材微观结构特征参数的自定义提取。

The three-dimensional FLOW-RESISTOR network for longitudinal gas permeability of softwoods

针叶树材纵向气体渗透的三维流阻网络

Studies on cold resistance for softwood cutting seedling of transgenic hybird poplar 741 carrying two insect-resistant genes

转双抗虫基因741杨嫩枝扦插苗抗寒性的研究

Quercus variabilis is one of the primary sources of industrial cork in China . METHODS RESEARCH OF BLEACHING SOFTWOOD MATERIAL

栓皮栎（QuercusvariabilisBl）是我国最重要的软木资源树种。软木材料漂白方法研究

The mattress is supported on a softwood frame .

床垫用软木材架子支撑着。